diff --git a/schema/exam_schema.6.1.json b/schema/exam_schema.6.3.json
similarity index 100%
rename from schema/exam_schema.6.1.json
rename to schema/exam_schema.6.3.json
diff --git a/schema/index.html b/schema/index.html
index d47cd1489..28320a616 100644
--- a/schema/index.html
+++ b/schema/index.html
@@ -8,11 +8,11 @@
     <link rel="stylesheet" href="schema_doc.css">
     <script src="schema_doc.js" defer></script>
     
-    <title>Numbas exam schema v6.1</title>
+    <title>Numbas exam schema v6.3</title>
 </head>
 <body id="root">
     <header>
-        <h1>Numbas exam schema v6.1</h2>
+        <h1>Numbas exam schema v6.3</h2>
     </header>
     <main>
         <div class="intro">
@@ -20,7 +20,7 @@ <h1>Numbas exam schema v6.1</h2>
             <p>The line for the current version should look like this:</p>
             <pre>// Numbas version: exam_results_page_options</pre>
             <p>The rest of the file should consist of a single JSON object, matching the following schema.</p>
-            <p><a href="exam_schema.6.1.json">Download the schema in JSON-Schema format</a></p>
+            <p><a href="exam_schema.6.3.json">Download the schema in JSON-Schema format</a></p>
         </div>
 
     <article class="schema open">
diff --git a/schema/make_schema.py b/schema/make_schema.py
index f2594b386..61fd0cb48 100644
--- a/schema/make_schema.py
+++ b/schema/make_schema.py
@@ -1,7 +1,7 @@
 import json
 import jinja2
 
-version = '6.1'
+version = '6.3'
 
 with open(f'exam_schema.{version}.json') as f:
     schema = json.loads(f.read())
